Home / 303,317.03-454,975.09-103,638.92

Finding the Fourth Proportional to 303,317.03, 454,975.09 and 103,638.92

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Solution

The fourth proportional to 303,317.03, 454,975.09 and 103,638.92 is: 155,458.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,317.03 : 454,975.09 = 103,638.92 : x
  2. Step 2: Convert to fraction form
    303,317.03/454,975.09 = 103,638.92/x
  3. Step 3: Cross multiply
    303,317.03x = 454,975.09 × 103,638.92
  4. Step 4: Simplify right side
    303,317.03x = 47,153,126,954.50
  5. Step 5: Solve for x
    x = 47,153,126,954.50/303,317.03
  6. Step 6: Final answer
    x = 155,458.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.